670 lines
15 KiB
C++
670 lines
15 KiB
C++
/* framehandler.cpp
|
|
*
|
|
* Arduino library to read from Victron devices using VE.Direct protocol.
|
|
* Derived from Victron framehandler reference implementation.
|
|
*
|
|
* The MIT License
|
|
*
|
|
* Copyright (c) 2019 Victron Energy BV
|
|
* Portions Copyright (C) 2020 Chris Terwilliger
|
|
* https://github.com/cterwilliger/VeDirectFrameHandler
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
* 2020.05.05 - 0.2 - initial release
|
|
* 2020.06.21 - 0.2 - add MIT license, no code changes
|
|
* 2020.08.20 - 0.3 - corrected #include reference
|
|
*
|
|
*/
|
|
|
|
#include <Arduino.h>
|
|
#include "VeDirectFrameHandler.h"
|
|
|
|
char MODULE[] = "VE.Frame"; // Victron seems to use this to find out where logging messages were generated
|
|
|
|
// The name of the record that contains the checksum.
|
|
static constexpr char checksumTagName[] = "CHECKSUM";
|
|
|
|
VeDirectFrameHandler VeDirect;
|
|
|
|
VeDirectFrameHandler::VeDirectFrameHandler() :
|
|
//mStop(false), // don't know what Victron uses this for, not using
|
|
veName(),
|
|
veValue(),
|
|
frameIndex(0),
|
|
veEnd(0),
|
|
mState(IDLE),
|
|
mChecksum(0),
|
|
mTextPointer(0),
|
|
tempName(),
|
|
tempValue()
|
|
{
|
|
}
|
|
|
|
void VeDirectFrameHandler::init()
|
|
{
|
|
Serial2.begin(19200, SERIAL_8N1, VICTRON_PIN_RX, VICTRON_PIN_TX);
|
|
Serial2.flush();
|
|
}
|
|
|
|
void VeDirectFrameHandler::setPollInterval(uint32_t interval)
|
|
{
|
|
_pollInterval = interval;
|
|
}
|
|
|
|
void VeDirectFrameHandler::loop()
|
|
{
|
|
unsigned long now = millis();
|
|
|
|
if (millis() - _lastPoll > (_pollInterval * 1000)) {
|
|
Serial.print(F("Start polling ve.direct interface... "));
|
|
|
|
while ( Serial2.available()) {
|
|
if ((millis() - now) > 500) {
|
|
now = millis();
|
|
yield();
|
|
}
|
|
rxData(Serial2.read());
|
|
}
|
|
_lastPoll = millis();
|
|
Serial.println(F("done"));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* rxData
|
|
* This function is called by the application which passes a byte of serial data
|
|
* It is unchanged from Victron's example code
|
|
*/
|
|
void VeDirectFrameHandler::rxData(uint8_t inbyte)
|
|
{
|
|
//if (mStop) return;
|
|
if ( (inbyte == ':') && (mState != CHECKSUM) ) {
|
|
mState = RECORD_HEX;
|
|
}
|
|
if (mState != RECORD_HEX) {
|
|
mChecksum += inbyte;
|
|
}
|
|
inbyte = toupper(inbyte);
|
|
|
|
switch(mState) {
|
|
case IDLE:
|
|
/* wait for \n of the start of an record */
|
|
switch(inbyte) {
|
|
case '\n':
|
|
mState = RECORD_BEGIN;
|
|
break;
|
|
case '\r': /* Skip */
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case RECORD_BEGIN:
|
|
mTextPointer = mName;
|
|
*mTextPointer++ = inbyte;
|
|
mState = RECORD_NAME;
|
|
break;
|
|
case RECORD_NAME:
|
|
// The record name is being received, terminated by a \t
|
|
switch(inbyte) {
|
|
case '\t':
|
|
// the Checksum record indicates a EOR
|
|
if ( mTextPointer < (mName + sizeof(mName)) ) {
|
|
*mTextPointer = 0; /* Zero terminate */
|
|
if (strcmp(mName, checksumTagName) == 0) {
|
|
mState = CHECKSUM;
|
|
break;
|
|
}
|
|
}
|
|
mTextPointer = mValue; /* Reset value pointer */
|
|
mState = RECORD_VALUE;
|
|
break;
|
|
default:
|
|
// add byte to name, but do no overflow
|
|
if ( mTextPointer < (mName + sizeof(mName)) )
|
|
*mTextPointer++ = inbyte;
|
|
break;
|
|
}
|
|
break;
|
|
case RECORD_VALUE:
|
|
// The record value is being received. The \r indicates a new record.
|
|
switch(inbyte) {
|
|
case '\n':
|
|
// forward record, only if it could be stored completely
|
|
if ( mTextPointer < (mValue + sizeof(mValue)) ) {
|
|
*mTextPointer = 0; // make zero ended
|
|
textRxEvent(mName, mValue);
|
|
}
|
|
mState = RECORD_BEGIN;
|
|
break;
|
|
case '\r': /* Skip */
|
|
break;
|
|
default:
|
|
// add byte to value, but do no overflow
|
|
if ( mTextPointer < (mValue + sizeof(mValue)) )
|
|
*mTextPointer++ = inbyte;
|
|
break;
|
|
}
|
|
break;
|
|
case CHECKSUM:
|
|
{
|
|
bool valid = mChecksum == 0;
|
|
if (!valid)
|
|
logE(MODULE,"[CHECKSUM] Invalid frame");
|
|
mChecksum = 0;
|
|
mState = IDLE;
|
|
frameEndEvent(valid);
|
|
break;
|
|
}
|
|
case RECORD_HEX:
|
|
if (hexRxEvent(inbyte)) {
|
|
mChecksum = 0;
|
|
mState = IDLE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* textRxEvent
|
|
* This function is called every time a new name/value is successfully parsed. It writes the values to the temporary buffer.
|
|
*/
|
|
void VeDirectFrameHandler::textRxEvent(char * mName, char * mValue) {
|
|
strcpy(tempName[frameIndex], mName); // copy name to temporary buffer
|
|
strcpy(tempValue[frameIndex], mValue); // copy value to temporary buffer
|
|
frameIndex++;
|
|
}
|
|
|
|
/*
|
|
* frameEndEvent
|
|
* This function is called at the end of the received frame. If the checksum is valid, the temp buffer is read line by line.
|
|
* If the name exists in the public buffer, the new value is copied to the public buffer. If not, a new name/value entry
|
|
* is created in the public buffer.
|
|
*/
|
|
void VeDirectFrameHandler::frameEndEvent(bool valid) {
|
|
if ( valid ) {
|
|
for ( int i = 0; i < frameIndex; i++ ) { // read each name already in the temp buffer
|
|
bool nameExists = false;
|
|
for ( int j = 0; j <= veEnd; j++ ) { // compare to existing names in the public buffer
|
|
if ( strcmp(tempName[i], veName[j]) == 0 ) {
|
|
strcpy(veValue[j], tempValue[i]); // overwrite tempValue in the public buffer
|
|
nameExists = true;
|
|
break;
|
|
}
|
|
}
|
|
if ( !nameExists ) {
|
|
strcpy(veName[veEnd], tempName[i]); // write new Name to public buffer
|
|
strcpy(veValue[veEnd], tempValue[i]); // write new Value to public buffer
|
|
veEnd++; // increment end of public buffer
|
|
if ( veEnd >= buffLen ) { // stop any buffer overrun
|
|
veEnd = buffLen - 1;
|
|
}
|
|
}
|
|
}
|
|
setLastUpdate();
|
|
}
|
|
frameIndex = 0; // reset frame
|
|
}
|
|
|
|
/*
|
|
* logE
|
|
* This function included for continuity and possible future use.
|
|
*/
|
|
void VeDirectFrameHandler::logE(const char * module, const char * error) {
|
|
Serial.print("MODULE: ");
|
|
Serial.println(module);
|
|
Serial.print("ERROR: ");
|
|
Serial.println(error);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* getLastUpdate
|
|
* This function returns the timestamp of the last succesful read of a ve.direct frame.
|
|
*/
|
|
bool VeDirectFrameHandler::hexRxEvent(uint8_t inbyte) {
|
|
return true; // stubbed out for future
|
|
}
|
|
|
|
uint32_t VeDirectFrameHandler::getLastUpdate()
|
|
{
|
|
return _lastUpdate;
|
|
}
|
|
|
|
/*
|
|
* setLastUpdate
|
|
* This function is called every time a new ve.direct frame was read.
|
|
*/
|
|
void VeDirectFrameHandler::setLastUpdate()
|
|
{
|
|
_lastUpdate = millis();
|
|
}
|
|
|
|
/*
|
|
* getPidAsString
|
|
* This function returns the product id (PID) as readable text.
|
|
*/
|
|
String VeDirectFrameHandler::getPidAsString(const char* pid)
|
|
{
|
|
String strPID ="";
|
|
|
|
long lPID = strtol(pid, nullptr, 0);
|
|
switch(lPID) {
|
|
case 0x0300:
|
|
strPID = "BlueSolar MPPT 70|15";
|
|
break;
|
|
case 0xA040:
|
|
strPID = "BlueSolar MPPT 75|50";
|
|
break;
|
|
case 0xA041:
|
|
strPID = "BlueSolar MPPT 150|35";
|
|
break;
|
|
case 0xA042:
|
|
strPID = "BlueSolar MPPT 75|15";
|
|
break;
|
|
case 0xA043:
|
|
strPID = "BlueSolar MPPT 100|15";
|
|
break;
|
|
case 0xA044:
|
|
strPID = "BlueSolar MPPT 100|30";
|
|
break;
|
|
case 0xA045:
|
|
strPID = "BlueSolar MPPT 100|50";
|
|
break;
|
|
case 0xA046:
|
|
strPID = "BlueSolar MPPT 100|70";
|
|
break;
|
|
case 0xA047:
|
|
strPID = "BlueSolar MPPT 150|100";
|
|
break;
|
|
case 0xA049:
|
|
strPID = "BlueSolar MPPT 100|50 rev2";
|
|
break;
|
|
case 0xA04A:
|
|
strPID = "BlueSolar MPPT 100|30 rev2";
|
|
break;
|
|
case 0xA04B:
|
|
strPID = "BlueSolar MPPT 150|35 rev2";
|
|
break;
|
|
case 0XA04C:
|
|
strPID = "BlueSolar MPPT 75|10";
|
|
break;
|
|
case 0XA04D:
|
|
strPID = "BlueSolar MPPT 150|45";
|
|
break;
|
|
case 0XA04E:
|
|
strPID = "BlueSolar MPPT 150|60";
|
|
break;
|
|
case 0XA04F:
|
|
strPID = "BlueSolar MPPT 150|85";
|
|
break;
|
|
case 0XA050:
|
|
strPID = "SmartSolar MPPT 250|100";
|
|
break;
|
|
case 0XA051:
|
|
strPID = "SmartSolar MPPT 150|100";
|
|
break;
|
|
case 0XA052:
|
|
strPID = "SmartSolar MPPT 150|85";
|
|
break;
|
|
case 0XA053:
|
|
strPID = "SmartSolar MPPT 75|15";
|
|
break;
|
|
case 0XA054:
|
|
strPID = "SmartSolar MPPT 75|10";
|
|
break;
|
|
case 0XA055:
|
|
strPID = "SmartSolar MPPT 100|15";
|
|
break;
|
|
case 0XA056:
|
|
strPID = "SmartSolar MPPT 100|30";
|
|
break;
|
|
case 0XA057:
|
|
strPID = "SmartSolar MPPT 100|50";
|
|
break;
|
|
case 0XA058:
|
|
strPID = "SmartSolar MPPT 100|35";
|
|
break;
|
|
case 0XA059:
|
|
strPID = "SmartSolar MPPT 150|10 rev2";
|
|
break;
|
|
case 0XA05A:
|
|
strPID = "SmartSolar MPPT 150|85 rev2";
|
|
break;
|
|
case 0XA05B:
|
|
strPID = "SmartSolar MPPT 250|70";
|
|
break;
|
|
case 0XA05C:
|
|
strPID = "SmartSolar MPPT 250|85";
|
|
break;
|
|
case 0XA05D:
|
|
strPID = "SmartSolar MPPT 250|60";
|
|
break;
|
|
case 0XA05E:
|
|
strPID = "SmartSolar MPPT 250|45";
|
|
break;
|
|
case 0XA05F:
|
|
strPID = "SmartSolar MPPT 100|20";
|
|
break;
|
|
case 0XA060:
|
|
strPID = "SmartSolar MPPT 100|20 48V";
|
|
break;
|
|
case 0XA061:
|
|
strPID = "SmartSolar MPPT 150|45";
|
|
break;
|
|
case 0XA062:
|
|
strPID = "SmartSolar MPPT 150|60";
|
|
break;
|
|
case 0XA063:
|
|
strPID = "SmartSolar MPPT 150|70";
|
|
break;
|
|
case 0XA064:
|
|
strPID = "SmartSolar MPPT 250|85 rev2";
|
|
break;
|
|
case 0XA065:
|
|
strPID = "SmartSolar MPPT 250|100 rev2";
|
|
break;
|
|
case 0XA066:
|
|
strPID = "BlueSolar MPPT 100|20";
|
|
break;
|
|
case 0XA067:
|
|
strPID = "BlueSolar MPPT 100|20 48V";
|
|
break;
|
|
case 0XA068:
|
|
strPID = "SmartSolar MPPT 250|60 rev2";
|
|
break;
|
|
case 0XA069:
|
|
strPID = "SmartSolar MPPT 250|70 rev2";
|
|
break;
|
|
case 0XA06A:
|
|
strPID = "SmartSolar MPPT 150|45 rev2";
|
|
break;
|
|
case 0XA06B:
|
|
strPID = "SmartSolar MPPT 150|60 rev2";
|
|
break;
|
|
case 0XA06C:
|
|
strPID = "SmartSolar MPPT 150|70 rev2";
|
|
break;
|
|
case 0XA06D:
|
|
strPID = "SmartSolar MPPT 150|85 rev3";
|
|
break;
|
|
case 0XA06E:
|
|
strPID = "SmartSolar MPPT 150|100 rev3";
|
|
break;
|
|
case 0XA06F:
|
|
strPID = "BlueSolar MPPT 150|45 rev2";
|
|
break;
|
|
case 0XA070:
|
|
strPID = "BlueSolar MPPT 150|60 rev2";
|
|
break;
|
|
case 0XA071:
|
|
strPID = "BlueSolar MPPT 150|70 rev2";
|
|
break;
|
|
case 0XA102:
|
|
strPID = "SmartSolar MPPT VE.Can 150|70";
|
|
break;
|
|
case 0XA103:
|
|
strPID = "SmartSolar MPPT VE.Can 150|45";
|
|
break;
|
|
case 0XA104:
|
|
strPID = "SmartSolar MPPT VE.Can 150|60";
|
|
break;
|
|
case 0XA105:
|
|
strPID = "SmartSolar MPPT VE.Can 150|85";
|
|
break;
|
|
case 0XA106:
|
|
strPID = "SmartSolar MPPT VE.Can 150|100";
|
|
break;
|
|
case 0XA107:
|
|
strPID = "SmartSolar MPPT VE.Can 250|45";
|
|
break;
|
|
case 0XA108:
|
|
strPID = "SmartSolar MPPT VE.Can 250|60";
|
|
break;
|
|
case 0XA109:
|
|
strPID = "SmartSolar MPPT VE.Can 250|80";
|
|
break;
|
|
case 0XA10A:
|
|
strPID = "SmartSolar MPPT VE.Can 250|85";
|
|
break;
|
|
case 0XA10B:
|
|
strPID = "SmartSolar MPPT VE.Can 250|100";
|
|
break;
|
|
case 0XA10C:
|
|
strPID = "SmartSolar MPPT VE.Can 150|70 rev2";
|
|
break;
|
|
case 0XA10D:
|
|
strPID = "SmartSolar MPPT VE.Can 150|85 rev2";
|
|
break;
|
|
case 0XA10E:
|
|
strPID = "SmartSolar MPPT VE.Can 150|100 rev2";
|
|
break;
|
|
case 0XA10F:
|
|
strPID = "BlueSolar MPPT VE.Can 150|100";
|
|
break;
|
|
case 0XA112:
|
|
strPID = "BlueSolar MPPT VE.Can 250|70";
|
|
break;
|
|
case 0XA113:
|
|
strPID = "BlueSolar MPPT VE.Can 250|100";
|
|
break;
|
|
case 0XA114:
|
|
strPID = "SmartSolar MPPT VE.Can 250|70 rev2";
|
|
break;
|
|
case 0XA115:
|
|
strPID = "SmartSolar MPPT VE.Can 250|100 rev2";
|
|
break;
|
|
case 0XA116:
|
|
strPID = "SmartSolar MPPT VE.Can 250|85 rev2";
|
|
break;
|
|
default:
|
|
strPID = pid;
|
|
}
|
|
return strPID;
|
|
}
|
|
|
|
/*
|
|
* getCsAsString
|
|
* This function returns the state of operations (CS) as readable text.
|
|
*/
|
|
String VeDirectFrameHandler::getCsAsString(const char* cs)
|
|
{
|
|
String strCS ="";
|
|
|
|
int iCS = atoi(cs);
|
|
switch(iCS) {
|
|
case 0:
|
|
strCS = "OFF";
|
|
break;
|
|
case 2:
|
|
strCS = "Fault";
|
|
break;
|
|
case 3:
|
|
strCS = "Bulk";
|
|
break;
|
|
case 4:
|
|
strCS = "Absorbtion";
|
|
break;
|
|
case 5:
|
|
strCS = "Float";
|
|
break;
|
|
case 7:
|
|
strCS = "Equalize (manual)";
|
|
break;
|
|
case 245:
|
|
strCS = "Starting-up";
|
|
break;
|
|
case 247:
|
|
strCS = "Auto equalize / Recondition";
|
|
break;
|
|
case 252:
|
|
strCS = "External Control";
|
|
break;
|
|
default:
|
|
strCS = cs;
|
|
}
|
|
return strCS;
|
|
}
|
|
|
|
/*
|
|
* getErrAsString
|
|
* This function returns error state (ERR) as readable text.
|
|
*/
|
|
String VeDirectFrameHandler::getErrAsString(const char* err)
|
|
{
|
|
String strERR ="";
|
|
|
|
int iERR = atoi(err);
|
|
switch(iERR) {
|
|
case 0:
|
|
strERR = "No error";
|
|
break;
|
|
case 2:
|
|
strERR = "Battery voltage too high";
|
|
break;
|
|
case 17:
|
|
strERR = "Charger temperature too high";
|
|
break;
|
|
case 18:
|
|
strERR = "Charger over current";
|
|
break;
|
|
case 19:
|
|
strERR = "Charger current reversed";
|
|
break;
|
|
case 20:
|
|
strERR = "Bulk time limit exceeded";
|
|
break;
|
|
case 21:
|
|
strERR = "Current sensor issue(sensor bias/sensor broken)";
|
|
break;
|
|
case 26:
|
|
strERR = "Terminals overheated";
|
|
break;
|
|
case 28:
|
|
strERR = "Converter issue (dual converter models only)";
|
|
break;
|
|
case 33:
|
|
strERR = "Input voltage too high (solar panel)";
|
|
break;
|
|
case 34:
|
|
strERR = "Input current too high (solar panel)";
|
|
break;
|
|
case 38:
|
|
strERR = "Input shutdown (due to excessive battery voltage)";
|
|
break;
|
|
case 39:
|
|
strERR = "Input shutdown (due to current flow during off mode)";
|
|
break;
|
|
case 40:
|
|
strERR = "Input";
|
|
break;
|
|
case 65:
|
|
strERR = "39Lost communication with one of devices";
|
|
break;
|
|
case 67:
|
|
strERR = "Synchronisedcharging device configuration issue";
|
|
break;
|
|
case 68:
|
|
strERR = "BMS connection lost";
|
|
break;
|
|
case 116:
|
|
strERR = "Factory calibration data lost";
|
|
break;
|
|
case 117:
|
|
strERR = "Invalid/incompatible firmware";
|
|
break;
|
|
case 118:
|
|
strERR = "User settings invalid";
|
|
break;
|
|
default:
|
|
strERR = err;
|
|
}
|
|
return strERR;
|
|
}
|
|
|
|
/*
|
|
* getOrAsString
|
|
* This function returns the off reason (OR) as readable text.
|
|
*/
|
|
String VeDirectFrameHandler::getOrAsString(const char* offReason)
|
|
{
|
|
String strOR ="";
|
|
|
|
long lOR = strtol(offReason, nullptr, 0);
|
|
switch(lOR) {
|
|
case 0x00000000:
|
|
strOR = "Not off";
|
|
break;
|
|
case 0x00000001:
|
|
strOR = "No input power";
|
|
break;
|
|
case 0x00000002:
|
|
strOR = "Switched off (power switch)";
|
|
break;
|
|
case 0x00000004:
|
|
strOR = "Switched off (device moderegister)";
|
|
break;
|
|
case 0x00000008:
|
|
strOR = "Remote input";
|
|
break;
|
|
case 0x00000010:
|
|
strOR = "Protection active";
|
|
break;
|
|
case 0x00000020:
|
|
strOR = "Paygo";
|
|
break;
|
|
case 0x00000040:
|
|
strOR = "BMS";
|
|
break;
|
|
case 0x00000080:
|
|
strOR = "Engine shutdown detection";
|
|
break;
|
|
case 0x00000100:
|
|
strOR = "Analysing input voltage";
|
|
break;
|
|
default:
|
|
strOR = offReason;
|
|
}
|
|
return strOR;
|
|
}
|
|
|
|
/*
|
|
* getMpptAsString
|
|
* This function returns the state of MPPT (MPPT) as readable text.
|
|
*/
|
|
String VeDirectFrameHandler::getMpptAsString(const char* mppt)
|
|
{
|
|
String strMPPT ="";
|
|
|
|
int iMPPT = atoi(mppt);
|
|
switch(iMPPT) {
|
|
case 0:
|
|
strMPPT = "Off";
|
|
break;
|
|
case 1:
|
|
strMPPT = "Voltage or current limited";
|
|
break;
|
|
case 2:
|
|
strMPPT = "MPP Tracker active";
|
|
break;
|
|
default:
|
|
strMPPT = mppt;
|
|
}
|
|
return strMPPT;
|
|
} |